http://gamblis.com –
Almost all popular browser are providing the Linux version natively like Firefox, Chrome, Opera. But currently there is no Safari browser for Linux. But, don’t worry if you want to install Safari on Linux, there is still a way. Here I will show you how to install the Safari browser on my Ubuntu Hardy Heron [...]
(HowTos)

http://linuxo.com –
Postfix Mail: "One great alternative client is Thunderbird, Icedove if you are on Debian. Here is a step by step approach to setting up the Thunderbird client for TLS and SMTP AUTH."
(General)